[apops] Weekly Routing Table Report

  • To: apops at apops dot net, nanog at nanog dot org, routing-wg at ripe dot net, afnog at afnog dot org, ausnog at ausnog dot net, sanog at sanog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 5 Jul 2008 04:07:20 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 05 Jul, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              262004
          Prefixes after maximum aggregation:                          128698
          Deaggregation factor:                                          2.04
          Unique aggregates announced to Internet:                     127630
      Total ASes present in the Internet Routing Table:                 28612
          Prefixes per ASN:                                              9.16
      Origin-only ASes present in the Internet Routing Table:           24946
      Origin ASes announcing only one prefix:                           12067
      Transit ASes present in the Internet Routing Table:                3666
      Transit-only ASes present in the Internet Routing Table:             81
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      18
          Max AS path prepend of ASN ( 3816)                               15
      Prefixes from unregistered ASNs in the Routing Table:               602
          Unregistered ASNs in the Routing Table:                         219
      Number of 32-bit ASNs allocated by the RIRs:                         48
      Prefixes from 32-bit ASNs in the Routing Table:                       8
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            782
      Number of addresses announced to Internet:                   1870051040
          Equivalent to 111 /8s, 118 /16s and 182 /24s
          Percentage of available address space announced:               50.5
          Percentage of allocated address space announced:               61.3
          Percentage of available address space allocated:               82.3
          Percentage of address space in use by end-sites:               72.5
      Total number of prefixes smaller than registry allocations:      127674
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    59872
          Total APNIC prefixes after maximum aggregation:               22374
          APNIC Deaggregation factor:                                    2.68
      Prefixes being announced from the APNIC address blocks:           56863
          Unique aggregates announced from the APNIC address blocks:    25353
      APNIC Region origin ASes present in the Internet Routing Table:    3294
          APNIC Prefixes per ASN:                                       17.26
      APNIC Region origin ASes announcing only one prefix:                874
      APNIC Region transit ASes present in the Internet Routing Table:    510
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         14
      Number of APNIC addresses announced to Internet:              361818656
          Equivalent to 21 /8s, 144 /16s and 234 /24s
          Percentage of available APNIC address space announced:         77.0
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
      APNIC Address Blocks    58/8,  59/8,  60/8,  61/8, 112/8, 113/8, 114/8,
                             115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8,
                             122/8, 123/8, 124/8, 125/8, 126/8, 202/8, 203/8,
                             210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8,
                            
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    120497
          Total ARIN prefixes after maximum aggregation:                65111
          ARIN Deaggregation factor:                                     1.85
      Prefixes being announced from the ARIN address blocks:            90125
          Unique aggregates announced from the ARIN address blocks:     34734
      ARIN Region origin ASes present in the Internet Routing Table:    12250
          ARIN Prefixes per ASN:                                         7.36
      ARIN Region origin ASes announcing only one prefix:                4735
      ARIN Region transit ASes present in the Internet Routing Table:    1147
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               353744160
          Equivalent to 21 /8s, 21 /16s and 181 /24s
          Percentage of available ARIN address space announced:          72.7
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
      ARIN Address Blocks     24/8,  63/8,  64/8,  65/8,  66/8,  67/8,  68/8,
                              69/8,  70/8,  71/8,  72/8,  73/8,  74/8,  75/8,
                              76/8,  96/8,  97/8,  98/8,  99/8, 173/8, 174/8,
                             199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
                             216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     56354
          Total RIPE prefixes after maximum aggregation:                34296
          RIPE Deaggregation factor:                                     1.64
      Prefixes being announced from the RIPE address blocks:            51567
          Unique aggregates announced from the RIPE address blocks:     34588
      RIPE Region origin ASes present in the Internet Routing Table:    11569
          RIPE Prefixes per ASN:                                         4.46
      RIPE Region origin ASes announcing only one prefix:                6068
      RIPE Region transit ASes present in the Internet Routing Table:    1748
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               364791936
          Equivalent to 21 /8s, 190 /16s and 72 /24s
          Percentage of available RIPE address space announced:          83.6
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055, 47104-48127
      RIPE Address Blocks     62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                              83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                              90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 193/8,
                             194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   20593
          Total LACNIC prefixes after maximum aggregation:               5225
          LACNIC Deaggregation factor:                                   3.94
      Prefixes being announced from the LACNIC address blocks:          18745
          Unique aggregates announced from the LACNIC address blocks:   10567
      LACNIC Region origin ASes present in the Internet Routing Table:    963
          LACNIC Prefixes per ASN:                                      19.47
      LACNIC Region origin ASes announcing only one prefix:               313
      LACNIC Region transit ASes present in the Internet Routing Table:   160
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        17
      Number of LACNIC addresses announced to Internet:              52976384
          Equivalent to 3 /8s, 40 /16s and 91 /24s
          Percentage of available LACNIC address space announced:        52.6
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   4089
          Total AfriNIC prefixes after maximum aggregation:              1202
          AfriNIC Deaggregation factor:                                  3.40
      Prefixes being announced from the AfriNIC address blocks:          4368
          Unique aggregates announced from the AfriNIC address blocks:   1885
      AfriNIC Region origin ASes present in the Internet Routing Table:   243
          AfriNIC Prefixes per ASN:                                     17.98
      AfriNIC Region origin ASes announcing only one prefix:               77
      AfriNIC Region transit ASes present in the Internet Routing Table:   48
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12239104
          Equivalent to 0 /8s, 186 /16s and 193 /24s
          Percentage of available AfriNIC address space announced:       36.5
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks  41/8, 196/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4755     1664        341         173   Videsh Sanchar Nigam Ltd. Aut
      17488     1188         82          91   Hathway IP Over Cable Interne
       9583     1144         85         465   Sify Limited
       9498     1093        550          63   BHARTI BT INTERNET LTD.
       4766      847       6006         344   Korea Telecom (KIX)
       4134      828      13427         331   CHINANET-BACKBONE
      23577      825         35         705   Korea Telecom (ATM-MPLS)
       4780      704        351          63   Digital United Inc.
      18101      691        167          33   Reliance Infocom Ltd Internet
       9829      599        450          12   BSNL National Internet Backbo
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        209     3006       3874         622   Qwest 
       6389     2668       3260         197   bellsouth.net, inc. 
       2386     1481        663         876   AT&T Data Communications Serv
       4323     1469       1045         377   Time Warner Telecom
       7018     1398       5823         978   AT&T WorldNet Services
       6298     1304        185         750   Cox Communicatons 
      11492     1229        150          12   Cable One 
       1785     1084        510         104   AppliedTheory Corporation 
      18566     1045        296          10   Covad Communications 
      20115     1045       1060         558   Charter Communications 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3292      414       1792         372   TDC Tele Danmark
       8452      347        188          11   TEDATA
       3301      334       1460         304   TeliaNet Sweden
       3320      322       7047         270   Deutsche Telekom AG
       8866      319         77          21   Bulgarian Telecommunication C
       5462      296        666          27   Telewest Broadband
       3215      287       2758          90   France Telecom Transpac
       8551      287        269          38   Bezeq International
        680      274       2047         264   DFN-IP service G-WiN
       6746      268        126         243   Dynamic Network Technologies,
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1295       2464         224   UniNet S.A. de C.V. 
      11830      604        299           9   Instituto Costarricense de El
      22047      565        270          14   VTR PUNTO NET S.A. 
       7303      469        231          65   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      410         85          48   ENTEL CHILE S.A. 
      11172      410        118          70   Servicios Alestra S.A de C.V 
      10620      401        105          73   TVCABLE BOGOTA 
      14117      375         23           9   Telefonica del Sur S.A. 
      20299      335         23          98   NEWCOM AMERICAS 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      475         61          30   LINKdotNET AS number
      20858      398         34           3   EgyNet
       3741      274        853         225   The Internet Solution 
       2018      201        205          85   Tertiary Education Network 
       5713      155        558          93   Telkom SA Ltd 
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      135         10          12   EEPAD TISP TELECOM & INTERNET
       5536      120          8          17   Internet Egypt Network
      29571      102         13           8   Ci Telecom Autonomous system 
      33776      100          6           3   Starcomms Nigeria Limited
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        209     3006       3874         622   Qwest 
       6389     2668       3260         197   bellsouth.net, inc. 
       4755     1664        341         173   Videsh Sanchar Nigam Ltd. Aut
       2386     1481        663         876   AT&T Data Communications Serv
       4323     1469       1045         377   Time Warner Telecom
       7018     1398       5823         978   AT&T WorldNet Services
       6298     1304        185         750   Cox Communicatons 
       8151     1295       2464         224   UniNet S.A. de C.V. 
      11492     1229        150          12   Cable One 
      17488     1188         82          91   Hathway IP Over Cable Interne
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       6389      2668        2471      bellsouth.net, inc. 
       4755      1664        1491      Videsh Sanchar Nigam Ltd. Aut
      11492      1229        1217      Cable One 
      17488      1188        1097      Hathway IP Over Cable Interne
       4323      1469        1092      Time Warner Telecom
       8151      1295        1071      UniNet S.A. de C.V. 
      18566      1045        1035      Covad Communications 
       9498      1093        1030      BHARTI BT INTERNET LTD.
       1785      1084         980      AppliedTheory Corporation 
      22773       966         904      Cox Communications, Inc.
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      16927   UNALLOCATED   12.0.252.0/23          701       UUNET Technologies, 
      22492   UNALLOCATED   12.2.46.0/24          7018       AT&T WorldNet Servic
      15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.20.55.0/24         6517       Yipes Communications
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.31.25.0/24         6517       Yipes Communications
      27220   UNALLOCATED   12.35.204.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.48.244.0/23        7843     Adelphia Corp. 
      24.51.159.0/24        7843     Adelphia Corp. 
      24.54.23.0/24         7843     Adelphia Corp. 
      24.54.224.0/19       20001     HoldCo LLC - Road Runner 
      24.75.160.0/19        7843     Adelphia Corp. 
      24.75.192.0/18        7843     Adelphia Corp. 
      24.142.40.0/21        7018     AT&T WorldNet Services
      24.142.160.0/19       7018     AT&T WorldNet Services
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      
      Complete listing at http://thyme.apnic.net/current/data-add-IANA
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:18       /9:9       /10:16      /11:45      /12:144     
      /13:282     /14:514     /15:1040    /16:9974    /17:4341    /18:7404    
      /19:15773   /20:18426   /21:18088   /22:22540   /23:23453   /24:137131  
      /25:865     /26:1046    /27:790     /28:88      /29:9       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        209     1762          3006      Qwest 
       6389     1670          2668      bellsouth.net, inc. 
       6298     1289          1304      Cox Communicatons 
      11492     1209          1229      Cable One 
       2386     1177          1481      AT&T Data Communications Serv
      18566     1026          1045      Covad Communications 
       4755     1013          1664      Videsh Sanchar Nigam Ltd. Aut
      17488     1002          1188      Hathway IP Over Cable Interne
       9583      999          1144      Sify Limited
       6478      976           985      AT&T Worldnet Services 
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:7         8:119      12:2082     13:2        15:22       16:3      
        17:5        18:13       20:35       24:1078     25:1        32:62     
        38:443      40:92       41:654      43:1        44:2        47:12     
        52:3        55:3        56:3        57:26       58:501      59:504    
        60:450      61:1002     62:1188     63:2026     64:3289     65:2375   
        66:3539     67:1228     68:712      69:2263     70:737      71:119    
        72:1899     73:5        74:1035     75:160      76:302      77:724    
        78:718      79:189      80:958      81:845      82:612      83:391    
        84:558      85:964      86:411      87:686      88:335      89:1296   
        90:14       91:1304     92:213      93:616      94:56       96:39     
        97:27       98:204      99:3       112:1       113:1       114:71     
       116:760     117:319     118:187     119:454     120:51      121:557    
       122:794     123:361     124:865     125:1146    128:362     129:201    
       130:132     131:410     132:65      133:9       134:177     135:33     
       136:220     137:87      138:146     139:94      140:488     141:98     
       142:415     143:309     144:366     145:51      146:363     147:158    
       148:519     149:198     150:130     151:190     152:141     153:136    
       154:10      155:277     156:174     157:291     158:185     159:240    
       160:279     161:114     162:221     163:187     164:523     165:450    
       166:318     167:329     168:629     169:137     170:428     171:30     
       172:10      188:1       189:253     190:2166    192:5793    193:4102   
       194:3221    195:2528    196:1066    198:3729    199:3271    200:5574   
       201:1469    202:7601    203:8021    204:3974    205:2126    206:2388   
       207:2765    208:3407    209:3516    210:2577    211:1069    212:1433   
       213:1629    214:154     215:49      216:4401    217:1198    218:345    
       219:417     220:1054    221:465     222:307    
      
      End of report